The latest designs do this using a built in thermostat. These are known as thermostatic mixing valves, thermostat valves, or TMVs, and can be mechanical or electronic. Another type is an anti-scald valve, which is only to prevent the water from getting to hot, but not chilling.

WMK: WMK is a well known steam shower manufacturer. They have a contemporary look to them with their signature blue tinted glass. Their two most popular models are the A-12 and Apollo steam shower. WMK steam showers and bathtubs are ETL certified which means they comply with electrical standards all over the United States and Canada.

How to Repair Diverter Valve in Shower.! We've all been there at one point or another. Enjoying a nice relaxing shower, perhaps some singing ensues, and just in the chorus of our favourite balad, when, zing! A blast of intempent water suddenly disrupts a moment of well deserved peace.